package cn.wenjie.gd.permission;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebFilter("/*")
public class Permission implements Filter {

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
			throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest) req;
		HttpServletResponse response = (HttpServletResponse) res;
		String url=request.getRequestURI();
		if(url.endsWith(".jsp")){return;}
		
		if(url.endsWith(".do") && (!url.endsWith("login.do") && !url.endsWith("logindo.do"))){
			if(request.getSession().getAttribute("sessionUeser")==null){
				response.sendRedirect(request.getContextPath()+"/home/login.do");
			}else {
				chain.doFilter(request, res);
			}
		}else {
			chain.doFilter(request, res);
		}
		
		
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub
		
	}

}
